The invention provides a cardan type universal joint automatic drilling device, comprising a workbench and a drill bit which is arranged on the workbench. An automatic turn table which is controlled by a stepping motor of the turn table is arranged on the workbench, a fixture is arranged on the automatic turn table, a cardan type universal joint is arranged on the fixture, then the shaft diameterof the universal joint is corresponding to the drill bit, and the drill bit is controlled by the stepping moor of the drill bit. The cardan type universal joint automatic drilling device can improve the production efficiency, reduce the scrap rate and have high safety performance.